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Yoshimura R-77 Exhaust System BMW S1000RR 2012-2014

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Material:

Carbon Fiber

Exhaust Type:

Full System

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MSRP

$1,149.95

Your Savings (17%):

$206.99

Add'l Price

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The BMW S1000RR has made a big splash in the world of Superbike racing thanks to its immense power. We wasted no time in adapting our flagship R-77 pipe to fit this incredible machine and are now offering a Full Stainless Steel System to give S1000RR owners the ultimate in Yoshimura power.

The Yoshimura R-77 is a pipe that was designed with the needs of a racer in mind. Using the feedback we received from the Yoshimura Road Racing Team, our designers came up with a muffler that is constructed from lightweight materials, grants a significant boost in power thanks to its high-flow trapezoidal shape, and gives your bike a great sound without being excessively loud. When combined with the new stainless steel full-system, the muffler will help your engine make even more power and reduce weight. We also included a carbon fiber muffler bracket which replaces the passenger foot pegs, further reducing weight. The end result is a complete exhaust system that will let your BMW S1000RR reach its maximum potential!

A pretty good system, if you don't mind the name...
Here's my review of the R-77 Full Stainless system I just installed on my 2013 S1000RR.
First of let me start with the packaging. It came to me shipped in it's own box. Upon opening it up, I found the system in bags BURIED in raw foam. Meaning as if someone let loose one of those foam cans for sealing holes and cracks in your house from the home depot. It made getting the exhaust out of the box a real challenge..... and it made quite a mess too.
That aside, once I got the exhaust out it was wrapped up in bags very nicely. The muffler came pre-attached to the connecting pipe. The headers came in their own bag. And there was one giant bag for the hardware, dB killer, belly pan kit and manual.
The manual was only 3 pages long, breaking down the removal of the stock system into one page and the installation of the Yoshi system into a page and a half. So it made it seem to be a simple install.
The easiest part of the whole job was removing the stock tail pipe. The rest was....surprise after surprise. The manual said I only needed to remove just the lower fairing. But in reality it was best to completely take off every piece of plastic other than the nose and tail. In one easy step (step 3), it said to just remove the cables from the exhaust valve servo's and the valve's themselves, but leaving the servo motors. But its kind of hard to do with just the lower fairing off, when one is under the seat/gas tank and the other is under the plastics below the left grip, by the left turn signal. So my advice, take off all the plastics beforehand. You're going to need to anyways with the valve's, the O2 sensor connections and have better access to the exhaust port studs and nuts. (Which by the way you need a 12 point 10mm socket in 1/4" drive. A standard 6 point won't work)
After finally getting the boat anchor of a stock system off, I thought I was home free. But I wasn't. The install was like most full system's, chock full of springs. The ones by the exhaust port flanges were nightmares. The springs didn't want to stay on the flanges at all. It took a while to get all 8 springs on the header..... accompanied with the screaming of a few choice words and a tool or two might of been flung in disgust. All I know is that I needed advil later that night because I think I tore every muscle in both hands getting the last few inner springs on.
I also wasn't too crazy of the hi temp silicone sleeves on the springs. Some were directly touching the header and I didnt want to deal with a melting rubber smell later on. So I cut them off.
The rest of the install wasn't that bad at all. I liked the belly pan filler that came with the system. Even though it makes removing the lower plastics now a little bit more complex to remove.
Install issues aside, it came out great. I went with the Yoshimura because the price was right in my budget, and from what I asked around, the volume level is what I was looking for too. I originally was looking at an Akrapovic shorty system and while everybody seemed to like it, it's as loud as a GP bike. Which is great, but the thought of going deaf after a 1/2 hour into a ride or attracting some unwanted attention from my local friendly police officer, lost me. The Yoshi is a great medium, its alot bassy-er and louder than stock, but it's not overly loud. It's also alot lighter than stock too. The stock system weighs in around 22lbs. The Yoshi is around 13lbs if I recall right.
In terms of power gains, I have no clue yet. I put it on last friday when it was 5 degrees and snowing out. I think my garage might of been 10 degrees when I was installing the exhaust. I don't know how I did it. lol
One thing I didn't like about the pipe, is that the stainless piping isn't "raw and dull" looking like the akrapovic. It has a chrome-like polished finish to it.
In the end, would I recommend getting this system? Yes. For the price it's pretty good actually. Yes, there is a certain stigma attached to putting a jap bike brand on a euro bike, but if you can get over that and let your wallet and reasoning talk instead of your pride, its perfect.
If I could do it over, would I buy the exhaust again? Yes, but if I could do it again and had a larger budget, I would of probably have gone with the Akrapovic system. It just has a those few little better details, better fit and finish and better looks than the Yoshi.
January 8, 2014

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